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Forced integrable systems: the case of sine-Gordon equation
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Revisiting the inhomogeneously driven sine-Gordon equation
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Dynamics of a one-dimensional crack with variable friction
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Linear stress-drop model
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Sine-Gordon equation and its application to tectonic stress transfer
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Dynamics of a one-dimensional crack
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Figure 2: Solution of inhomogeneous sG equation with constant and Heaviside forcing for different times
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Kink with No Flux Boundary Conditions:
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Kink with Non-reflecting Boundary Conditions:
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Acritical vs C Variation over different domain size
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Breather with Non-Reflecting Boundary Conditions:
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Breather with No Flux Boundary Conditions:
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Variation of Acritical with C:
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Conclusions
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Future?
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Finite Difference Methods for the heat Equation with a Nonlocal Boundary Condition
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Nonlinear problems?
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Theory
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Keller & Hagstrom 1986
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The technique
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Need to do the same for the sine-Gordon equation
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The Generalized Dirichlet-to-Neumann Map for Certain Nonlinear Evolution PDFs
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Q&A
Description:
Explore forced integrable systems through a 40-minute lecture focusing on the sine-Gordon equation. Delve into the inhomogeneously driven sine-Gordon equation and its applications to tectonic stress transfer and one-dimensional crack dynamics. Examine solutions for kinks and breathers under various boundary conditions, and investigate finite difference methods for heat equations with nonlocal boundary conditions. Learn about the generalized Dirichlet-to-Neumann map for nonlinear evolution PDEs. Gain insights into future research directions and participate in a Q&A session to deepen understanding of these complex mathematical concepts.

Forced Integrable Systems - The Case of Sine-Gordon Equation by Vasudeva Murthy

International Centre for Theoretical Sciences
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